You cant trade black and white Pokemon to another game. They wouldn't have the Sprite for it since they didnt make the sprites for black and white Pokemon in previous generations. Also the Pokemon move. They cant make Pokemon move in the previous generations.
Needs to be traded from Pokemon White.
no
Squirtle cannot be caught in Black. It must be traded in from another version.
The man in Opelucid wants a Klink or a Blitzle, traded from the other version of the game. So the man in Black, will only accept one traded from White, and vice versa.
You'll need to trade for it from Pokemon White or Black, if they have already traded.
You cannot find Raikou in Pokémon Black 2, it will have to be traded from another game or transferred from a previous game.
no
It evolves when it is traded for a Karrablast.
Eevee cannot be found in pokemon black or white, and must be traded to be obtained.
Klink and Blitzle can both learn Charge, but he specifically wants to see one from another universe, ie, one traded from Pokemon White.
Rhydon holding the protector and traded will evolve into Rhyperior.
No