write the net ionic equation for the following reactions: K + Cl + 2H2O, Na + Br + H2O, 2Na + S +...

write the net ionic equation for the following reactions:

{eq}\begin{aligned} \text{K}+\text{Cl}+2{{\text{H}}_{\text{2}}}\text{O}\to \\ \text{Na}+\text{Br}+2{{\text{H}}_{\text{2}}}\text{O}\to \\ \text{2Na}+\text{S}+{{\text{H}}_{\text{2}}}\text{O}\to \\ \end{aligned} {/eq}