I had a Pidgey, I evolved it and it became a Pidgeotto with 110 CP. Its moves are Wing Attack(12) and Twister(15) (I'm not sure what those numbers mean, but I suppose it's their damage).
Today I saw another Pidgeotto and caught it. It has 48 CP and its moves are Wing Attack(12) and Aerial Ace(25). How can I decide which of them I should go with?
The first Pidgeotto has way more CP but one of my friends told me that moves have a big impact and the second Pidgeotto has Aerial Ace(25).
Will the second Pidgeotto ever catch up to the first's CP, and can I ever teach the first Pidgeotto different moves?