Yes, RECALLING is a Scrabble word!

Letter values in Scrabble US: R 1, E 1, C 3, A 1, L 1, L 1, I 1, N 1, G 2.

Is it a valid word?

RECALLING is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

recall knowledge from memory; have a recollection
go back to something earlier
call to mind
summon to return
cause one's (or someone else's) thoughts or attention to return from a reverie or digression
make unavailable; bar from sale or distribution
cause to be returned

Also: call back, call up, hark back, come back, call in.