I agree, we will need to know your full recipe (including all oils, additives, fragrances, amount of water and amount lye), and how you processed it in order to help. For instance, some recipes that are high in liquid oils may need several days to harden. In other cases, if the recipe wasn't correct, you can often save it by rebatching.
Regarding your second question, you cannot convert bar soap to liquid hand soap. Even if you dissolve it temporarily, the soap b. Vhubbb un b re-congeal over time to become a slimey, goopey mess.
