First, you should write a molecular equation:
MgCl2(aq) + 2NaOH(aq) ==> Mg(OH)2(s) + 2NaCl(aq)
Then, the net ionic reaction will equal:
Mg^2(aq) + 2OH^-(aq) ==> Mg(OH)2(s)
First, you should write a molecular equation:
MgCl2(aq) + 2NaOH(aq) ==> Mg(OH)2(s) + 2NaCl(aq)
Then, the net ionic reaction will equal:
Mg^2(aq) + 2OH^-(aq) ==> Mg(OH)2(s)