Which two reactants are each soluble in water and combine to produce a precipitate?
- A$\text{NaCl}$ and $\text{Mg(NO}_3\text{)}_2$
- B$\text{BaSO}_4$ and $\text{K}_2\text{CO}_3$
- C$\text{CaCl}_2$ and $\text{NaNO}_3$
- D$\text{Pb(NO}_3\text{)}_2$ and $\text{KCl}$