Sram 10 speed compatibility

I’ve got some well used 10 speed rival shifters and rear mech. The mech is slowly dying but the levers are fine so assuming 1:1 actuation is the only thing to consider will this mech work with my shifters? Should work fine on a 11-36 cassette too right? Much cheaper than a rival mech and cleaner than a lot of used ones that I could buy!
https://www.wiggle.co.uk/sram-x9-type-ii-10-speed-rear-derailleur/?lang=en&curr=GBP&dest=1&sku=103216682&kpid=103216682&utm_source=google&utm_term=&utm_campaign=Shopping+-+All+Products&utm_medium=base&utm_content=mckv|sFx5sgnaP_dm|mcrid|295292317327|mkw||mmt||mrd|103216682uk|mslid||&mkwid=sFx5sgnaP_dm&pcrid=295292317327&prd=103216682uk&pgrid=58852352866&ptaid=pla-524066267457&gclid=EAIaIQobChMIhsPL8-_i5gIVB7TtCh0qWQ2dEAQYASABEgLIDvD_BwE

Should do, don't forget you'll need an inline barrel adjuster.

Thanks man. Why will I need the adjuster? Because the mech doesn’t have one?

Yeah, because the mech doesn't have one.

Great thanks, I wouldn’t have thought of that until mid install!

X7 definitely has the same ratio as Rival 10 and will work. Can’t say for sure about the X9 because I think the cable pull length might be different. I think there was a reason I got X7 for mine and not X9. Hold off buying until there are a couple more replies to confirm. The Art’s Cyclery chart used to have this info on it, but for some reason they took it down.

Edit: good news, it’s back up: http://blog.artscyclery.com/science-behind-the-magic/science-behind-the-magic-drivetrain-compatibility/

I use a Red 10s shifter and a X9 rear mech. Works fine.

I used the same combination for a while, but there's something about the geometry of the Sram mtb mechs that doesn't play well with road-size cassettes(12-28 & 12-30, in my case), particularly in the larger sprockets. Even with the B-screw all the way out I could never get the top jockey wheel anywhere close to the cassette.