Answer:
Li (s)  +  H₂O (l)  → 1/2 H₂ (g)  + LiOH (aq)
Explanation:
Lithium metal reacts with liquid water to form hydrogen gas and aqueous lithium hydroxide
2Li (s)  +  2H₂O (l)  → H₂ (g)  + 2LiOH (aq)
We can divide stoichiometry coefficients /2, to have the lowest stoichiometry.