level 75
Go to the Giant Chasm and go as far as you can go and its in a cave at level 75.
no just one or the other
yes
At yo mamas house
You can't make it transform in Pokemon Black, only Black 2 or White 2.
The Kyurem there is at level 75.
Kyurem is a Dragon and Ice type.
by an event which is to come
You cant
Kyurem is in a giant Chasm on route 13. It is at the very back of the cave and is at level 75. You need the national pokedex before you can find it though.
white kyurem dosent exist in pokemon white only pokemon w2
Kyurem can only be 'transformed' in in the sequels