Welcome to Magento SE @mahmudy-91.
First thing, to learn Magento 2.x you don't need to learn magento 1.x.
To learn Magento 2.x, some of the best places are:
- Magento's official website (here you can find content for all)
- Ashsmith blog
Apart from these, have an eye at Magento2 stack exchange
Some more helpful links are: http://alanstorm.com/category/magento-2
http://mageclass.com/magento2-tutorials/
http://inchoo.net/category/magento-2/
http://www.sessiondigital.com/blog/category/magento-2/
Last, but not the least, here you can find the complete list of resources from where you can learn about Magento 2.