Cs3PO4
Cs3PO4 is soluble in water. As are all cesium (Cs) compounds.
Cs3P would be Tricaesium phosphide. If te question related to Cs3PO4 Tricesium Phosphate .
Cs3P would be Tricaesium phosphide. If te question related to Cs3PO4 Tricesium Phosphate .
3CsOH(aq) + H3PO4(aq) --> Cs3PO4(aq) + 3H2O(l)
Sodium phosphate is soluble in water. Normally, compounds of the phosphate ion are insoluble, the exceptions being salts of NH4+ and the alkali metal cations (the sodium ion is one).