Use the activity series below to predict the products of each of the following reactions. Do not worry about balancing the equations.

Li > K > Ba > Sr > Ca > Na > Mg > AI > Mn > Zn > Cr > Fe > Cd > Co > Ni > Sn > Pb > H > Sb > Bi > Cu > Ag > Pd > Hg > Pt > Au

Zn3(PO4)2 + Ca - ?

1. no reaction
2. ZnCa + PO4
3. Ca3(PO4)2 + Zn