Question

What occurs when magnesium chloride and sodium sulfate react in aqueous solution?

Answer 1

Neither salt, or the salt formed from exchange is particularly insoluble in water.

Explanation:

In aqueous solution, you would form `Mg^(2+)`, `Cl^-`, `Na^+`, and `SO_4^(2-)` ions. These would tend to remain in solution, as the ion exchange salts are soluble. A better question would be the mixture of barium chloride and sodium sulfate in that barium forms a water insoluble sulfate:

`BaCl_2(aq) + Na_2SO_4(aq) rarr BaSO_4(s)darr + 2NaCl(aq)`

Else,

`Ba^(2+) + SO_4^(2-) rarr BaSO_4(s)darr`