Is it against law to hit someone with a open hand in Ohio
It is illegal to knowingly hit a person with an open hand, as it is considered assault if it causes physical harm. You can check out the definition of assault according to the Ohio penal code by visiting http://codes.ohio.gov/orc/2903.13.
yes unless you are in a physical sport
Yes, charges can be brought.
Sure is!!!! It's called assault !!!