Step-by-step explanation:
1. HCI + NaOH --> H₂O + NaCl is a neutralisation reaction. The product is soluble sodium chloride salt and water.
2. _C3H8 + 502 --> 3CO₂ + 4H₂O is a propane combustion reaction. The product is carbon dioxide gas and water.
4. 2Li+F2 --> 2LiF is a combination reaction. The product is insoluble lithium fluoride solid
5.2AgNO3 + CuCl2 --> _Cu(NO3)2 + 2AgCl is a precipitation reaction. The product is copper(II) nitrate and an insoluble silver chloride salt(precipitate)