Not an ideal cartridge for a new hunter. Those .22 centerfires are deadly, but require precise shot placement and offer little margin for error. .243, 6mm creedmoor, 260 or 6.5 would be better.
I have shot deer with 22-250, 220 swift, 223 and 222. All have been deadly on deer. But, to anchor a deer where it stood, you needed to hit central nervous system. Shooting behind the shoulder/heart lead to minimal blood trails and long trailing jobs. Head/neck shots were best and only happen under ideal conditions. I spent one summer shooting deer on a depred permit for a farmer. Myself and two friends shot 43 deer, all of us using 223 or 22-250. Result were always the same. Shoot em behind the shoulder, they run 150 or so yds with hardly any blood, difficult recoveries once they got out of field into cutovers and swamps. Hit em the head or neck, DRT. If you do decide to use the 223 for deer, make sure to get a well constructed bullet, such as Nosler Partition or 77 grain sierra, limit shot distance, and take central nervous system shots for best results. If you hunt wide open fields or big woods, behind the shoulder may not be too bad, just be prepared for long trailing jobs and hope they don't get into the thick stuff.