There's so many ways and possibilities to hack facebook password account, from the easy and simple one until the hard and very complicated. The basic hack facebook password account method actually almost the same, but with different type, kind, and ways. Here's some ways how to hack facebook password account :
1. Facebook Phishing
2. Remote Update Facebook Status (Social Engineering)
3. Man in the Middle Attack
4. Keylogging
This method has a great success rate possibility, because there's so many people not understand too much about how to surf the internet safely.
Phishing
This is the most used and commonly attack to hack facebook password account. Usually attacker will create a fake log in page that looks like the real Facebook log in page. This type of attack will replicate the original facebook page and modified to fit the attacker needs for their attack. For this type of attack, you need to know basic web programming such as PHP, ASP, etc.
FYI : you can use 000webhost.com or ripway.com for the free one. (usually it won't longer lasting, when admin knows or someone report, you'll get banned)