Reviews go public 14 days post stay whether or not you write the review. But before the 14 day period is up, if you both review each other, both reviews go live the day both reviews have been written.
Don't worry - if the review you receive is nit picky, you can go and post a very simple reply like "although a very kind guest, certain house rules regarding turning off appliances when not in use were not followed".
I alway think the host is worse then the guest when I see a mediocre review and then the host goes on blast in the reply. Super hard to do, but remove yourself emotionally from it and reply back in as brief and concise a way as you can.