Lithium hydroxide, lioh, would react with to form salt and water.

acid

when a metal hydroxide reacts with acid it forms a salt and water, for example:

lithium hydroxide + hydrochloric acid → lithium chloride (the salt) + water

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.