Yes you can. The building is on route 15 and you will need your SoulSilver in one DS and the Black in the other.
1st go to the building and talk with the scientist at the very top.
Then set up your DS with S.S. and do DS Download Play
The scientist will also give you instructions
no you can trade soulsilver pokemon to black
You cannot battle between a Pokemon Black game and a Pokemon Soulsilver game.
No, you can't trade a Pokemon from SoulSilver to Black. However, you can transfer Pokemon. This basically means you transfer a Pokemon from SoulSilver to Black but nothing gets transfered to SoulSilver.
you can transfer it from Pokemon soulsilver/heartgold to Pokemon black
You cant.
That trade is not possible. Soulsilver cannot recognize Pokemon from newer versions.
You can possibly get riolu in Pokemon black
you look for it
no
you can only send Pokemon from soul silver to black with the pokishifter
you cant. you can only do that with Pokemon heartgold and soulsilver.
I am afraid so bro. Pokemon Black and White cant communicate with soulsilver heartgold diamond pearl platinum. so your Celebi is stuck on black