(CH3)3CMgCl on reaction with D2O produces :
(CH3)3CD
(CH3)3OD
(CD3)3CD
(CD3)3OD
(CH3)3C - MgCl + D2O → (CH3)3C - D + Mg(OD)Cl
(CH3)3CMgCl on treatment with D2O produces.