From your examples:

Esta casa es mía.

 

Esta es mi casa.

The meaning is the same. I would say that example 1.) emphasizes more who does the house belong to. Pretty much like my and mine, I believe?

I would use 2.) in a more casual way, something like Look! This is my house whereas 1.) is more for This is mr. Smith's house, that is mrs. Robinson's, but next house is mine.

From your examples:

Esta casa es mía.

Esta es mi casa.

The meaning is the same. I would say that example 1.) emphasizes more who does the house belong to. Pretty much like my and mine, I believe?

I would use 2.) in a more casual way, something like Look! This is my house whereas 1.) is more for This is mr. Smith's house, that is mrs. Robinson's, but next house is mine.

From your examples:

• "Esta casa es mía."
• "Esta es mi casa."

The meaning is the same. I would say that example 1.) emphasizes more who does the house belong to. Pretty much like "my" and "mine", I believe?

I would use 2.) in a more casual way, something like "Look! This is my house" whereas 1.) is more for "This is mr. Smith's house, that is mrs. Robinson's, but next house is mine."

From your examples:

Esta casa es mía.

Esta es mi casa.

The meaning is the same. I would say that example 1.) emphasizes more who does the house belong to. Pretty much like my and mine, I believe?

I would use 2.) in a more casual way, something like Look! This is my house whereas 1.) is more for This is mr. Smith's house, that is mrs. Robinson's, but next house is mine.