Forecast whether a reaction is likely to take place when the following pairs of 0.1 M aqueous solutions are mixed. If so, state a net ionic equation for the reaction.
A)Ba(NO3)2 (aq) + K2CO3 (aq) ->
B) MgBr2 (aq) + Ni(NO3)2 (aq) ->
C) Cu(C2H3O2)2 (aq) + (NH4)3PO4 (aq)