What's the statistical probability of you winning this hold em hand?

I was wondering if any one knows what the statistical probability of you winning this hand. You have 5 7 of spades and your opponent is hold pocket 2's one of diamonds the other of hearts the flop comes 6 spades 8 of clubs and King of diamonds Turn comes Ace of Spades what are the odds that the river will come and be something you need to beat him