so what i have found so far is -
1) Kyurem when fused, weather it is with zekrom or reshiram, is fused with the DNA link & the new fused Kyurem inherits IV's, EV's & level from Kyurem.
2) Kyurem-B should be LV. 70
3) The move set of the Kyurem & Reshiram/zekrom cannot be transferred to kyurem W/B, instead, the Kyurem's move set is based off of Kyurem's learn set for it's new form.
source - serebii & it is in the spoilers tab for thursday the 21 of June 2012
i hope i answered your question