Soldering is the one of the main thing when making electronic circuits.
For proper soldering that you mainly need some soldering wire and soldering iron.
Before soldering make sure it clean the terminals of the components.
plug the soldering iron to getting hot at least two minutes.
Take good solder wire.it usually contain 60/40 tin and lead.
Put solder iron on component terminals solder joint about one second for geting heat solderjoint first.
Then slowly apply the solder for the joint and then remove the soldering iron.
You must do all the things above around three or four seconds for joint. Dont put soldering iron for more than that because it can cause damage the components.