What net ionic equation describes the reaction when these solutions are mixed?

Na3PO4 (aq) + CaCl2(aq) →

2PO43–(aq) + Cl– (aq) → Cl2(PO4)3(s)
2Ca2+(aq) + Na+(aq) → NaCa2(s)
Na+(aq) + Cl– (aq) → NaCl(s)
2PO43–(aq) + 3Ca2+(aq) → Ca3(PO4)2(s)

Question

What net ionic equation describes the reaction when these solutions are mixed?

Na3PO4 (aq) + CaCl2(aq) → 

 	
	2PO43–(aq) + Cl– (aq) → Cl2(PO4)3(s)
	2Ca2+(aq) + Na+(aq) → NaCa2(s)
	Na+(aq) + Cl– (aq) → NaCl(s)
	2PO43–(aq) + 3Ca2+(aq) → Ca3(PO4)2(s)

anonymous · Answer

It's the fourth option because the first three can't be formed 

Cheers.

anonymous · Answer

Almost positive it's the D

anonymous · Answer

Calcium Phosphate is insoluble and Sodium Chloride is soluble

anonymous · Answer

So that eliminates all Sodium ions and Chloride ions from both sides

anonymous · Answer

Thanks guys