Is this how you write a skeleton equation i don't understand this

Question

Lithium(s)+gold(III)chloride(aq)= Lithium chloride(aq)+gold(s)

iron(s)+tin(IV)nitrate(aq)= Iron (III) nitrate(aq)+tin (s)

Answer 1

I will do one.

Fe(s)+Sn(NO3)4 (aq) --> Fe(NO3)3 (aq)+ Sn (s)

http://www.fordhamprep.org/gcurran/sho/sho/lessons/lesson53.htm